-__must_check __malloc void *para_malloc(size_t size);
-__must_check __malloc void *para_calloc(size_t size);
+__must_check __malloc void *alloc(size_t size);
+__must_check __malloc void *zalloc(size_t size);
+__must_check __malloc void *arr_alloc(size_t nmemb, size_t size);
+__must_check __malloc void *arr_zalloc(size_t nmemb, size_t size);